Stream wrapper for input of binary data that converts from big-endian to host ordering. */
| 436 | to host ordering. |
| 437 | */ |
| 438 | class IBeStream : public IStream |
| 439 | { |
| 440 | public: |
| 441 | /** |
| 442 | Default constructor. |
| 443 | */ |
| 444 | PDAL_EXPORT IBeStream() |
| 445 | {} |
| 446 | |
| 447 | /** |
| 448 | Constructor that opens the file and maps it to a stream. |
| 449 | |
| 450 | \param filename Filename. |
| 451 | */ |
| 452 | PDAL_EXPORT IBeStream(const std::string& filename) : IStream(filename) |
| 453 | {} |
| 454 | |
| 455 | /** |
| 456 | Constructor that maps to a provided stream. |
| 457 | |
| 458 | \param stream Stream to extract from. |
| 459 | */ |
| 460 | PDAL_EXPORT IBeStream(std::istream *stream) : IStream(stream) |
| 461 | {} |
| 462 | |
| 463 | /** |
| 464 | Extract an unsigned byte from the stream. |
| 465 | |
| 466 | \param v unsigned byte to populate |
| 467 | \return This stream. |
| 468 | */ |
| 469 | PDAL_EXPORT IBeStream& operator >> (uint8_t& v) |
| 470 | { |
| 471 | v = (uint8_t)m_stream->get(); |
| 472 | return *this; |
| 473 | } |
| 474 | |
| 475 | /** |
| 476 | Extract an unsigned byte from the stream. |
| 477 | |
| 478 | \param v unsigned byte to populate |
| 479 | \return This stream. |
| 480 | */ |
| 481 | PDAL_EXPORT IBeStream& operator >> (int8_t& v) |
| 482 | { |
| 483 | v = (int8_t)m_stream->get(); |
| 484 | return *this; |
| 485 | } |
| 486 | |
| 487 | /** |
| 488 | Extract an unsigned short from the stream. |
| 489 | |
| 490 | \param v unsigned short to populate |
| 491 | \return This stream. |
| 492 | */ |
| 493 | PDAL_EXPORT IBeStream& operator >> (uint16_t& v) |
| 494 | { |
| 495 | m_stream->read((char *)&v, sizeof(v)); |